2320 hydraulic failure

[boughtaJD]

My son was on th 2320 (2008 860 HOURS) mowing with the mmm & was going up a small incline when he lost all hydaulic funtions. Said engine revs went up & then died.

Can restart engine & it runs normal but no hyd (loader doesnt operate, no forward or reverse, steering, pto).

I didnt have much time last night to look at it but I eliminated the seat switch because it still kills engine when in gear & I got off the seat. Any ideas to look at tonight? Hoping its not the pump....

Thanks

 

[Dutch445]

i would think first thing is check hydrostatic fluid in transmission,
if it was low, maybe going up hill it lost prime to the pump?

that would affect the loader and steering. not sure about the forward/reverse
and pto though.

 

[bumperm]

The interlocks, seat, PTO clutch engage lever, and HST range neutral - all simply kill enine or prevent start. After checking fluid as Dutch445 suggests, and if that's good, then the problem sounds dire indeed . . . some sort of catastrophic failure of the hydraulic pump.

 

[jenkinsph]

Agree with Dutch, I hope it is only low hydraulic fluid, loosing it's prime would make it speed up.

 

[boughtaJD]

Forgot to indicate that sight glass showed fluid, if anything slightly higher than "normal" but it's not quite on level ground where I towed it to.

 

[boughtaJD]

Perhaps it was low & lost prime. Would it create a bubble of some sort & show higher than normal in the sight glass? Guess I'll. Have dig out the tech ma

 

[Dutch445]

certainly worth checking filters and screen to see what's going on there,
when was the last time they were changed?

 

[Tx Jim]

Is trans drive shaft turning with engine??

 

[chevy]

Is trans drive shaft turning with engine??

That was my first thought also. Did the universal joint break?

 

[kennyd]

That was my first thought also. Did the universal joint break?

My thought as well. There was a little known (unfortunately) manual update addressing how to grease the front u-joint.